Flora buys a suit-case costing Rs 749. The rate of sales tax is 7%. She tells the shopkeeper to reduce the price of suit case to such an extent that she has not to pay anything more than Rs 749 including sale tax. Find the reduction needed in the price of suit-case.
Susan invested certain amount of money in two schemes A and B, which offer interest at the rate of 8% per annum and 9% per annum, respectively. She received Rs.1860 as annual interest. However, has she interchanged the amount of investment in the two schemes, she would have received Rs.20 more as annual interest. How much money did she invest in each scheme?